CN117123951B - Carrier device and laser welding equipment - Google Patents
Carrier device and laser welding equipment Download PDFInfo
- Publication number
- CN117123951B CN117123951B CN202311378790.2A CN202311378790A CN117123951B CN 117123951 B CN117123951 B CN 117123951B CN 202311378790 A CN202311378790 A CN 202311378790A CN 117123951 B CN117123951 B CN 117123951B
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- servo motor
- support tube
- carrier device
- carrier
- nut seat
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- 238000003466 welding Methods 0.000 title claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims description 27
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a carrier device and laser welding equipment, which comprises a frame, a clamping assembly, a servo motor and a locking assembly, wherein the frame comprises a support, a support tube and a carrier, the support tube is rotationally connected with the support and is rotationally connected with the bottom of the carrier, and the carrier is used for bearing a power battery; the clamping assembly comprises a nut seat, a plurality of connecting rods and a plurality of clamping plates, wherein the nut seat is sleeved on the supporting pipe and is in threaded connection with the supporting pipe, each clamping plate is slidably arranged on the carrying platform and is used for clamping the power battery, the connecting rods are arranged in equal number with the clamping plates and are in one-to-one rotary connection, and each connecting rod is in rotary connection with the nut seat; the servo motor is used for driving the supporting tube to rotate. The carrier device only adopts one servo motor to drive each clamping plate to move at the same time, so that the clamping of the power battery is realized, and a more complex control system is not needed; in addition, the carrier device only needs one servo motor, the occupied space of the carrier device is small, and the manufacturing cost is reduced well.
Description
Technical Field
The invention relates to the technical field of laser welding, in particular to a carrier device and laser welding equipment.
Background
The development of new energy automobiles is continuously growing, and the national development and innovation of related measures are carried out on new energy, especially new energy automobiles, while the advantages and share of the global new energy automobile market are increasingly expanding, so that the production demand of new energy power batteries is greatly increased.
In the related art, a pole of a power battery and a battery top cover are welded by laser equipment, so that the welding between the pole and the battery top cover can be completed rapidly. The laser equipment comprises a carrier device, wherein the carrier device comprises a carrier platform, a plurality of clamping plates and a plurality of air cylinders, all clamping plates are arranged on the carrier platform in a sliding mode, and the air cylinders are arranged in equal numbers with the clamping plates and are connected one by one. In the welding process of the laser equipment, the power battery is placed on the carrying platform, and each cylinder pushes the corresponding clamping plates to be close to each other, so that the power battery is clamped, the power battery is accurately fixed at the corresponding position, and the laser equipment accurately performs laser welding on the battery.
However, with the above-described structural form of the carrier device, a relatively complex control system is required to control each cylinder, thereby controlling each clamping plate to move synchronously, and thus, precisely fixing the power battery at the corresponding position; meanwhile, a plurality of air cylinders are required to be arranged on the carrier, so that the cost of the carrier is high, and the occupied space of the carrier is large.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a carrier device which can control the synchronous movement of the clamping plates more conveniently.
The invention also provides laser welding equipment with the carrier device.
In a first aspect, an embodiment of the present application provides a carrier device, including:
the rack comprises a support, a support tube and a carrying platform, wherein the support tube is rotationally connected with the support and is rotationally connected with the bottom of the carrying platform, and the carrying platform is used for carrying a power battery;
the clamping assembly comprises a nut seat, a plurality of connecting rods and a plurality of clamping plates, wherein the nut seat is sleeved on the supporting pipe and is in threaded connection with the supporting pipe, each clamping plate is arranged on the carrying platform in a sliding manner and is positioned at the periphery of the power battery so as to clamp the power battery, the connecting rods are arranged in equal numbers with the clamping plates and are in one-to-one rotary connection, and each connecting rod is in rotary connection with the nut seat;
the servo motor is arranged on the support and used for driving the support tube to rotate, the servo motor drives the support tube to rotate, the nut seat moves along the support tube, and the clamping plates are pulled to move close to each other through the connecting rods so as to clamp the power battery;
the locking assembly comprises a first driving piece and a locking piece, wherein the first driving piece is arranged on the support, the first driving piece is used for driving the locking piece to be switched to a stop position, and when the locking piece is at the stop position, the locking piece is inserted into a locking groove at the bottom of the carrier so as to limit the carrier to rotate.
According to some embodiments of the invention, the locking grooves are provided with two side edge chamfer angles extending radially.
According to some embodiments of the invention, the carrier device further comprises a lower limiting ring and a first spring, wherein the lower limiting ring is in threaded connection with the support tube and is positioned below the nut seat, and the first spring is sleeved on the support tube and is propped against between the nut seat and the lower limiting ring.
According to some embodiments of the invention, the carrier device further comprises an upper limiting ring and a second spring, wherein the upper limiting ring is in threaded connection with the support tube and is positioned above the nut seat, and the second spring is sleeved on the support tube and is propped against between the nut seat and the upper limiting ring.
According to some embodiments of the invention, the carrier device further comprises a base and a power member, wherein the base is rotatably arranged on the support, and the power member is used for driving the support to rotate.
According to some embodiments of the invention, the carrier device further comprises a transmission shaft, a strip-shaped groove is formed in the side wall of the transmission shaft along the axial direction of the transmission shaft, a first strip-shaped protrusion is arranged on the inner wall of the supporting tube along the axial direction of the supporting tube, the first strip-shaped protrusion is embedded in the strip-shaped groove, and a driving shaft of the servo motor is connected with the transmission shaft through a coupling.
According to some embodiments of the invention, the carrier device further comprises:
the mounting seat is connected with the bottom of the carrying platform; the mounting seat is provided with a first mounting hole, the bottom surface of the first mounting hole is provided with a second mounting hole, the side wall of the second mounting hole is provided with a second strip-shaped bulge along the axial direction of the second mounting hole, and the end part of the support tube is rotatably arranged in the first mounting hole;
the second driving piece is used for driving the servo motor to switch between a first position and a second position along the axial direction of the servo motor, when the servo motor is in the second position, the end part of the transmission shaft is inserted into the second mounting hole, the second strip-shaped protrusion is embedded into the strip-shaped groove, and the servo motor drives the carrying platform to rotate through the transmission shaft.
According to some embodiments of the invention, the frame comprises a bottom plate, a guide post, a movable plate and a top plate, wherein one end part of the guide post is connected with the bottom plate, the other end part of the guide post is connected with the top plate, the movable plate is arranged on the guide post in a sliding manner, the second driving piece is arranged on the bottom plate and connected with the movable plate and used for pushing the movable plate to move along the guide post, the servo motor is arranged on the movable plate, and the supporting tube is rotationally connected with the top plate.
According to some embodiments of the invention, the carrier device further comprises a second spring, the second spring is sleeved on the guide post and propped between the movable plate and the top plate, and the driving part of the second driving piece props against the movable plate.
In a second aspect, embodiments of the present application provide a laser welding apparatus, including:
the carrier device described above;
and the laser welding device is used for laser welding the top cover of the power battery on the carrier device.
From the above technical solutions, the embodiments of the present application have the following advantages:
1. the carrier device only adopts one servo motor to drive each clamping plate to move at the same time, so that the clamping of the power battery is realized, and a more complex control system is not needed; in addition, the carrier device only needs one servo motor, the occupied space of the carrier device is small, and the manufacturing cost is reduced well.
2. When the first driving piece drives the locking piece to be separated from the locking groove, the locking piece releases the limit on the carrying platform, and the carrying platform can rotate along the circumferential direction through the supporting tube, so that the follow-up laser welding of the power battery is facilitated.
3. The staff can adjust the position of nut seat through adjusting servo motor's control procedure to and then adjust the position of grip block, set up so, carrier device can adapt to the power battery of multiple model.
Drawings
FIG. 1 is a schematic diagram of an overall structure of a carrier device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an assembly structure of a drive shaft, support tube, carrier and clamping assembly according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the area A of FIG. 2;
FIG. 4 is a schematic view of an assembly structure of a drive shaft, support tube and clamping assembly according to an embodiment of the present invention;
fig. 5 is a schematic diagram of an exploded structure of a drive shaft, support tube and mounting base according to an embodiment of the present invention.
Wherein the reference numerals have the following meanings:
10. a power battery; 100. a frame; 110. a support; 111. a bottom plate; 112. a guide post; 113. a movable plate; 114. a top plate; 115. a third spring; 120. a support tube; 121. a lower limit ring; 122. a first spring; 123. an upper limit ring; 124. a second spring; 125. a first bar-shaped protrusion; 130. a carrier; 131. a locking groove; 1311. chamfering; 200. a clamping assembly; 210. a nut seat; 220. a connecting rod; 230. a clamping plate; 300. a servo motor; 400. a locking assembly; 410. a first driving member; 420. a locking member; 500. a transmission shaft; 510. a strip-shaped groove; 600. a mounting base; 610. a first mounting hole; 620. a second mounting hole; 621. a second bar-shaped protrusion; 700. a second driving member; 800. a laser welding apparatus.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, upper, lower, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a number is one or more, the meaning of a number is two or more, and greater than, less than, exceeding, etc. are understood to exclude the present number, and the meaning of a number is understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
In the description of the present invention, the descriptions of the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The invention is described in further detail below with reference to the accompanying drawings.
Referring to fig. 1 to 2, a carrier device provided in an embodiment of the invention includes a frame 100, a clamping assembly 200, a servo motor 300 and a locking assembly 400, wherein the frame 100 includes a support 110, a support tube 120 and a carrier 130, wherein the support tube 120 is rotatably connected with the support 110 and rotatably connected with a bottom of the carrier 130, and the carrier 130 is used for carrying a power battery 10; the clamping assembly 200 comprises a nut seat 210, a plurality of connecting rods 220 and a plurality of clamping plates 230, wherein the nut seat 210 is sleeved on the support tube 120 and is in threaded connection with the support tube 120, each clamping plate 230 is slidably arranged on the carrier 130 and is used for being positioned around the power battery 10 so as to clamp the power battery 10, the connecting rods 220 are arranged in equal number with the clamping plates 230 and are in one-to-one rotary connection, and each connecting rod 220 is in rotary connection with the nut seat 210; the servo motor 300 is disposed on the support 110 and is used for driving the support tube 120 to rotate, wherein the servo motor 300 drives the support tube 120 to rotate, the nut seat 210 moves along the support tube 120, and the clamping plates 230 are pulled to move close to each other through the connecting rods 220 so as to clamp the power battery 10; the locking assembly 400 includes a first driving member 410 and a locking member 420, the first driving member 410 is disposed on the support 110, the first driving member 410 is used for driving the locking member 420 to switch to a locking position, and when the locking member 420 is at the locking position, the locking member 420 is inserted into the locking slot 131 at the bottom of the carrier 130, so as to limit the carrier 130 to rotate.
Specifically, in the loading stage, the first driving member 410 drives the locking member 420 to move upwards, and the locking member 420 is inserted into the locking groove 131 at the bottom of the carrier 130, and at this time, the carrier 130 is kept at the loading position. The worker places the power cell 10 above the stage 130 and between the four clamping plates 230. Then, the servo motor 300 drives the support tube 120 to rotate in a forward direction, the nut seat 210 moves downward along the support tube 120, and the nut seat 210 pulls the clamping plates 230 to synchronously draw together through the connecting rod 220, so that the power battery 10 is clamped at the feeding position, and the power battery 10 is precisely welded by laser. In the discharging stage, the servo motor 300 drives the support tube 120 to reversely rotate, the nut seat 210 moves upward along the support tube 120, and the nut seat 210 pushes the respective clamping plates 230 to synchronously move away from each other through the connecting rod 220, so that the following manipulator removes the power battery 10.
It can be appreciated that the clamping plates 230 are driven to move toward each other by providing a plurality of driving members, respectively, as compared with the prior art; in the present application, the carrier device adopts only one servo motor 300 to simultaneously drive each clamping plate 230 to move, so as to realize the clamping of the power battery 10, and a more complex control system is not needed; in addition, only one servo motor 300 is needed for the carrier device, the occupied space of the carrier device is small, and the manufacturing cost is well reduced.
In addition, when the first driving member 410 drives the locking member 420 to disengage from the locking groove 131, the locking member 420 releases the restriction on the carrier 130, and the carrier 130 can rotate circumferentially through the support tube 120, thereby facilitating the subsequent laser welding of the power battery 10.
In addition, the operator can adjust the movement stroke of the nut seat 210 by adjusting the control program of the servo motor 300, and further adjust the position of the clamping plate 230, so that the carrier device can adapt to various types of power batteries 10.
In some embodiments, referring to fig. 2 and 3, the locking groove 131 is disposed to extend in a radial direction, and both side edge chamfers 1311 are disposed to extend radially of the locking groove 131. Specifically, after the locking member 420 is separated from the locking groove 131, if the first driving member 410 drives the locking member 420 again to insert into the locking groove 131, the stage 130 may not move in place, so that the first driving member 410 cannot normally drive the locking member 420 to insert into the locking groove 131. Based on the above, the locking groove 131 is provided with the two side chamfer 1311 extending radially, and the locking piece 420 can correct the position of the stage 130 through the chamfer 1311 during the insertion of the locking groove 131, so that the locking groove 131 can be inserted accurately.
In some embodiments, referring to fig. 2 and 4, the carrier device further includes a lower stop collar 121 and a first spring 122, where the lower stop collar 121 is screwed with the support tube 120 and is located below the nut seat 210. The first spring 122 is sleeved on the supporting tube 120 and abuts against the nut seat 210 and the lower limiting ring 121. It can be appreciated that, by the arrangement of the first spring 122, the first spring 122 has a pre-tightening force on the nut seat 210, so that the nut seat 210 can be stably maintained at a position corresponding to the support tube 120, and the clamping plate 230 is ensured to stably clamp the power battery 10.
Similarly, the carrier device further comprises an upper limiting ring 123 and a second spring 124, the upper limiting ring 123 is in threaded connection with the support tube 120 and is positioned above the nut seat 210, and the second spring 124 is sleeved on the support tube 120 and is propped between the nut seat 210 and the upper limiting ring 123; it can be appreciated that, by the arrangement of the second spring 124, the second spring 124 has a pre-tightening force on the nut seat 210, so that the nut seat 210 can be stably maintained at a position corresponding to the support tube 120, and thus the clamping plate 230 is ensured to stably clamp the power battery 10.
In some embodiments, the carrier device further includes a base and a power member (not shown in the figures), where the base is rotatably disposed on the support 110, and the power member is used to drive the support 110 to rotate. It will be appreciated that the power member drives the support 110 to rotate, the support 110 drives the carrier 130 to move, and the external laser welding device 800 performs circumferential welding on the power battery 10.
In some embodiments, referring to fig. 4 and 5, the carrier device further includes a transmission shaft 500, a strip-shaped groove 510 is formed on a side wall of the transmission shaft 500 along an axial direction of the transmission shaft, a first strip-shaped protrusion 125 is disposed on an inner wall of the support tube 120 along the axial direction of the support tube, the first strip-shaped protrusion 125 is embedded in the strip-shaped groove 510, and a driving shaft of the servo motor 300 is connected with the transmission shaft 500 through a coupling. Specifically, the servo motor 300 drives the transmission shaft 500 to rotate, and the transmission shaft 500 drives the support pipe 120 to rotate, thereby controlling the clamping plate 230 to clamp the power battery 10. The transmission shaft 500 and the support tube 120 adopt the connection mode, so that the transmission shaft 500 and the support tube 120 are convenient to mount and dismount.
In some embodiments, referring to fig. 1 and fig. 2 and fig. 5, the carrier device further includes a mounting base 600 and a second driving member 700, where the mounting base 600 is connected to the bottom of the carrier 130; wherein, the mounting seat 600 is provided with a first mounting hole 610, the bottom surface of the first mounting hole 610 is provided with a second mounting hole 620, the side wall of the second mounting hole 620 is provided with a second strip-shaped protrusion 621 along the axial direction, and the end part of the support tube 120 is rotatably arranged in the first mounting hole 610. The second driving member 700 is used for driving the servo motor 300 to switch between a first position and a second position along the axial direction, and when the servo motor 300 is in the second position, the end of the transmission shaft 500 is inserted into the second mounting hole 620, the second bar-shaped protrusion 621 is embedded in the bar-shaped groove 510, and the servo motor 300 drives the carrier 130 to rotate through the transmission shaft 500.
The second driving member 700 may adopt a driving structure such as a cylinder.
Specifically, when the external laser welding apparatus 800 laser welds the power battery 10, first, the first driving member 410 drives the locking member 420 to move downward, and the locking member 420 is disengaged from the locking groove 131. However, the second driving member 700 drives the servo motor 300 to move upwards, the driving shaft 500 moves upwards synchronously, the upper end portion of the driving shaft 500 is inserted into the second mounting hole 620, and the second bar-shaped protrusion 621 is inserted into the bar-shaped groove 510 of the driving shaft 500, so that the driving shaft 500 and the mounting seat 600 are fixedly arranged in the circumferential direction. Finally, the servo motor 300 drives the transmission shaft 500 to rotate, and the transmission shaft 500 drives the carrier 130 to move circumferentially, so that the external laser welding device 800 can weld the power battery 10 circumferentially.
In addition, through the setting of mount pad 600, mount pad 600 is through setting up first mounting hole 610 and second mounting hole 620, and transmission shaft 500 and stay tube 120 can be connected with mount pad 600 more conveniently to be connected with carrier 130 more conveniently.
In a further embodiment, referring to fig. 1, the rack 100 includes a bottom plate 111, a guide post 112, a movable plate 113 and a top plate 114, the guide post 112 is vertically disposed, a lower end of the guide post 112 is connected to the bottom plate 111, an upper end of the guide post 112 is connected to the top plate 114, and the movable plate 113 is located between the bottom plate 111 and the top plate 114 and is slidably disposed on the guide post 112. The first driving member 410 is disposed on the bottom plate 111 and connected to the movable plate 113, the servo motor 300 is disposed on the movable plate 113, and the lower end portion of the support tube 120 is rotatably connected to the top plate 114.
It will be appreciated that the frame 100 adopts the above-mentioned structure, and the second driving member 700 can stably drive the servo motor 300 to stably move up and down through the movable plate 113, thereby driving the driving shaft 500 to move up and down.
In a further embodiment, the carrier device further includes a third spring 115, where the third spring 115 is sleeved on the guide post 112 and abuts against between the movable plate 113 and the top plate 114, and the driving portion of the second driving member 700 abuts against the movable plate 113.
The second driving member 700 may be a cylinder, a motor cam structure, or the like.
Specifically, the driving portion of the second driving member 700 overcomes the elastic force of the third spring 115, and pushes the movable plate 113 to move upwards, and the movable plate 113 drives the servo motor 300 to move upwards, so as to drive the upper end portion of the transmission shaft 500 to be inserted into the second mounting hole 620. The driving part of the second driving member 700 is contracted, the third spring 115 pushes the movable plate 113 to move downward, the servo motor 300 moves downward in synchronization with the driving shaft 500, and the driving shaft 500 is separated from the second mounting hole 620. It can be appreciated that the second driving member 700 is abutted to the movable plate 113, so that the second driving member 700 is convenient to disassemble and assemble.
The application also discloses a laser welding device, referring to fig. 1, including the above-mentioned carrier device and laser welding device 800, laser welding device 800 is used for laser welding the top cap of power battery 10 on the carrier device.
Specifically, in the loading stage, the first driving member 410 drives the locking member 420 to move upwards, and the locking member 420 is inserted into the locking groove 131 at the bottom of the carrier 130, and at this time, the carrier 130 is kept at the loading position. The worker places the power cell 10 above the stage 130 and between the four clamping plates 230. Then, the servo motor 300 drives the support pipe 120 to rotate in a forward direction, the nut seats 210 move downward along the support pipe 120, and the nut seats 210 pull the respective clamping plates 230 to synchronously approach each other through the connection rod 220, thereby clamping the power battery 10 at a specific position. In the welding stage, the laser welding apparatus 800 welds the power cell 10 on the stage 130. In the discharging stage, the servo motor 300 drives the support tube 120 to reversely rotate, the nut seat 210 moves upward along the support tube 120, and the nut seat 210 pushes the respective clamping plates 230 to synchronously move away from each other through the connecting rod 220, so that the following manipulator removes the power battery 10.
The technical means disclosed by the scheme of the invention is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (6)
1. A carrier device, comprising:
the rack comprises a support, a support tube and a carrying platform, wherein the support tube is rotationally connected with the support and is rotationally connected with the bottom of the carrying platform, and the carrying platform is used for carrying a power battery;
the clamping assembly comprises a nut seat, a plurality of connecting rods and a plurality of clamping plates, wherein the nut seat is sleeved on the supporting pipe and is in threaded connection with the supporting pipe, each clamping plate is arranged on the carrying platform in a sliding manner and is positioned at the periphery of the power battery so as to clamp the power battery, the connecting rods are arranged in equal numbers with the clamping plates and are in one-to-one rotary connection, and each connecting rod is in rotary connection with the nut seat;
the servo motor is arranged on the support and used for driving the support tube to rotate, the servo motor drives the support tube to rotate, the nut seat moves along the support tube, and the clamping plates are pulled to move close to each other through the connecting rods so as to clamp the power battery;
the locking assembly comprises a first driving piece and a locking piece, wherein the first driving piece is arranged on the support, the first driving piece is used for driving the locking piece to be switched to a locking position, and when the locking piece is at the locking position, the locking piece is inserted into a locking groove at the bottom of the carrier so as to limit the carrier to rotate;
the side wall of the transmission shaft is provided with a strip-shaped groove along the axial direction of the transmission shaft, the inner wall of the supporting tube is provided with a first strip-shaped bulge along the axial direction of the transmission shaft, the first strip-shaped bulge is embedded in the strip-shaped groove, and a driving shaft of the servo motor is connected with the transmission shaft through a coupler;
the mounting seat is connected with the bottom of the carrying platform; the mounting seat is provided with a first mounting hole, the bottom surface of the first mounting hole is provided with a second mounting hole, the side wall of the second mounting hole is provided with a second strip-shaped bulge along the axial direction of the second mounting hole, and the end part of the support tube is rotatably arranged in the first mounting hole;
the second driving piece is used for driving the servo motor to switch between a first position and a second position along the axial direction of the servo motor, when the servo motor is in the second position, the end part of the transmission shaft is inserted into the second mounting hole, the second strip-shaped bulge is embedded in the strip-shaped groove, and the servo motor drives the carrying platform to rotate through the transmission shaft;
the rack further comprises a bottom plate, a guide post, a movable plate and a top plate, one end part of the guide post is connected with the bottom plate, the other end part of the guide post is connected with the top plate, the movable plate is arranged on the guide post in a sliding mode, the second driving piece is arranged on the bottom plate and connected with the movable plate and used for pushing the movable plate to move along the guide post, the servo motor is arranged on the movable plate, and the supporting tube is connected with the top plate in a rotating mode;
and the third spring is sleeved on the guide post and propped between the movable plate and the top plate, and the driving part of the second driving piece props against the movable plate.
2. A carrier device as claimed in claim 1, wherein the locking grooves are provided with two side edge chamfer extending in the radial direction of the carrier.
3. The carrier device of claim 1, further comprising a lower stop collar and a first spring, wherein the lower stop collar is in threaded connection with the support tube and is located below the nut seat, and the first spring is sleeved on the support tube and abuts against between the nut seat and the lower stop collar.
4. The carrier device of claim 1, further comprising an upper stop collar and a second spring, wherein the upper stop collar is in threaded connection with the support tube and is located above the nut seat, and the second spring is sleeved on the support tube and abuts against between the nut seat and the upper stop collar.
5. The carrier device of claim 1, further comprising a base and a power member, wherein the support is rotatably disposed on the base, and the power member is configured to drive the support to rotate.
6. A laser welding apparatus, comprising:
the carrier device of any one of claims 1 to 5;
and the laser welding device is used for laser welding the top cover of the power battery on the carrier device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311378790.2A CN117123951B (en) | 2023-10-24 | 2023-10-24 | Carrier device and laser welding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311378790.2A CN117123951B (en) | 2023-10-24 | 2023-10-24 | Carrier device and laser welding equipment |
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| CN117123951B true CN117123951B (en) | 2024-02-20 |
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| CN117123951A (en) | 2023-11-28 |
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